· Publishing
App submission checklist: every asset, both stores
A both-stores pre-flight: every asset and field App Store Connect and Google Play Console ask for, plus the 2026 rules that reject a build before review.
Blog
Writing on App Store screenshots.
Long-form posts on the design and conversion side of App Store carousels. Updated as we ship.
· Publishing
Bulk-uploading localized screenshots to both app stores
Neither store has a real bulk upload across locales. Here is the honest job size, the only two automation paths, and how to skip most of the manual work.
· Strategy
iPad vs iPhone screenshot strategy
When to design iPad screenshots from scratch and when to reuse the iPhone carousel — the trade-off most teams get wrong.
· Developers
Play Store listing updates via Google Play Developer API
Update a Google Play store listing programmatically with the Android Publisher API: the edits transaction, service-account auth, and the 403 permission gotcha.
· Developers
Uploading App Store screenshots with the App Store Connect API
The real reserve-and-commit upload flow for screenshots — JWT auth, chunked PUTs, the MD5 commit, and the constraints Apple actually enforces.
· ASO
App Store screenshot rejections and how to avoid them
Eight common reasons Apple rejects screenshots, in rough order of how often they bite. With the exact rule each one trips.
· Publishing
What you can change without a new app version: Apple vs Google
A per-field matrix for both stores. Which listing edits force a new version or release, which get reviewed, and the one field on each store you can change with neither.
· Publishing
Update your Google Play listing without a new release
On Google Play the store listing is separate from your app releases. Edit the text, screenshots, and feature graphic and publish them on their own — no new APK or AAB.
· Publishing
How to change App Store screenshots without a new app version
Swap your live App Store screenshots right now: the new-version route, the build-free Product Page Optimization route, and exactly what still needs App Review.
· Localization
Localized captions, not just translated
Why machine-translated captions underperform — and the cheap edits that close most of the gap without hiring 50 copywriters.
· Localization
When translations break your app store character limits
Every App Store and Google Play field limit in one table, plus what happens when a translated name or subtitle overruns — and how to fix it.
· Copy
How much text on App Store screenshots? 3-6 words
Most users decide in seconds and few scroll past the first few screenshots. Here is how much caption text actually fits — and why short wins.
· Localization
App Store cross-localization: free keyword space
Every App Store storefront indexes a primary locale and secondary ones. Fill the secondary keyword field with distinct terms to roughly double your reach.
· Design
Color palettes for App Store screenshots
Picking colors that survive App Store thumbnail compression, thumbnail size, and the apps next to yours in search results.
· Workflow
Automating SwiftUI App Store Screenshots Without Fastlane (2026)
You don't need Fastlane to automate iOS store screenshots. The native Apple ways — XCUITest, Swift Testing attachments, ImageRenderer — with real code.
· Localization
App Store Connect now supports 50 metadata languages
Apple added 11 new metadata localizations in March 2026, bringing App Store Connect to 50. Here is the full list and a practical take on which ones to actually fill.
· Localization
App description translation: conversion vs keywords
On the App Store your description sells. On Google Play it also ranks. Translate it once for both and you shortchange one of them.
· Tutorial
Google Play Feature Graphic: the 1024 x 500 spec
The exact feature graphic spec (1024 x 500, PNG/JPEG, no alpha), where it shows up, the play-button safe zone, and concrete design guidance.
· ASO
The ASO screenshot checklist before you hit submit
Run through this before pushing screenshots to App Store Connect. Twenty checks, in order of how often they trip people up.
· Localization
App Store localization traps: inheritance, editable state and review
The actual steps for both stores, plus the inheritance and review gotchas nobody spells out.
· Optimization
Google Play Store Listing Experiments: A/B testing
How Store Listing Experiments work in Play Console, default vs localized tests, sample sizes, and the pitfalls — the Play-side complement to Apple Product Page Experiments.
· Localization
Which languages should you localize your app store listing into?
A decision framework for picking markets — start here, add next, nice to have — instead of guessing which languages are worth the effort.
· Tutorial
visionOS App Store Screenshots: Sizes and Requirements (2026)
The exact visionOS screenshot size (3840 × 2160), how to capture it from the Vision Pro simulator, the spatial-app nuances, and the gap most screenshot tools ignore.
· Copywriting
Release notes people actually read (both stores)
The what\'s-new field has two different limits and zero keyword value. Store-specific templates and examples for release notes people read.
· Design
Screenshot fonts that work across App Store locales
Choosing typography that survives the App Store renderer, scales to thumbnails, and ships in 50 locales.
· ASO
The first three lines of your App Store description
A reusable before-the-fold template — plus the one App Store vs Google Play difference that decides how you write it.
· Tutorial
Mac App Store Screenshot Sizes and How to Make Them (2026)
The four accepted Mac App Store screenshot sizes, how to capture them on macOS, and how to frame them. Honest about where most tools leave a gap.
· ASO
App Store metadata rejections: fixing 2.3.x, 2.3.7, 4.3 and 5.2.1
A metadata rejection is usually a listing fix, not a binary fix. What triggers 2.3.3, 2.3.7, 4.3 and 5.2.1, plus the before-and-after wording that clears each one.
· Workflow
Fastlane snapshot vs no-code App Store screenshots
Side-by-side workflow comparison. Honest about where each one beats the other.
· Workflow
Flutter App Store Screenshots: integration_test
Flutter has no first-party store-screenshot pipeline. The honest options — integration_test capture, golden tests, Fastlane/Codemagic — with real code.
· ASO
App subtitle vs promotional text: which App Store field does what
One is indexed and locked to your app version. The other is not indexed and editable anytime. Which is which, and where your keywords actually belong.
· ASO
Where ASO keywords actually go: App Store vs Google Play
Apple has a hidden keyword field; Google Play indexes your whole description. A field-by-field map of where keywords count on each store.
· ASO
The App Store keyword field: how to use all 100 characters
Apple hides a 100-character keyword field in App Store Connect. Commas count, spaces count, the description isn't indexed. The es-MX trick doubles it.
· Workflow
Expo App Store Screenshots: What EAS Submit Skips
EAS Submit uploads your binary but never touches store screenshots. The honest, command-by-command workflow for Expo teams: capture, automate, compose, localize.
· ASO
App preview video vs screenshots — which converts?
When the 30-second auto-play video pays off vs when static screenshots win. Category-by-category.
· Troubleshooting
App Store Connect: "Screenshot Dimensions Are Wrong"
The exact pixel sizes App Store Connect accepts per display class, why the 6.5"/6.9" mismatch triggers the error, and how to re-export at the right size without upscaling.
· Workflow
How to Create App Store Screenshots for a React Native App (2026)
React Native has no first-party screenshot pipeline. Here are the honest options — Fastlane, Detox, manual capture — plus where the marketing-composition step fits.
· Tools
Designing App Store screenshots without Photoshop
Browser-native workflow for indie devs and small teams. What you skip when you skip Photoshop, and what you give up.
· Research
Patterns we noticed looking at top-100 App Store screenshots
Repeated patterns across categories — caption length, dominant colors, device-tilt direction, text placement. Observational research, not promises.
· Design
Dark mode vs light mode App Store screenshots
Honest take on which performs better, when, and why the answer is more nuanced than "dark mode always wins".
· Copy
App Store screenshot captions that convert
Caption-writing rules that hold up across categories — length, structure, verb choice, and the captions to avoid.
· Localization
Localizing App Store screenshots into all 50 languages
The practical workflow for shipping screenshots in every locale Apple accepts — what to automate, what to review by hand, where the conversion gains come from.
· ASO
How to analyze a top-100 App Store screenshot
The structural decisions behind a high-performing App Store carousel: caption position, device tilt, palette and panel continuity, with Headspace as the worked example.
· Tutorial
iPhone 15 Pro Max screenshot tutorial, step by step
A hands-on walk-through from blank canvas to App Store-ready 1290 × 2796 PNG, using Mokbi. Plus what to do for iPhone 16 Pro Max submissions at 1320 × 2868.
· ASO
App Store screenshot best practices, 2026 edition
What works in the App Store carousel right now — patterns from top-100 apps, the formats Apple keeps pushing, and where the marginal-conversion gains have moved since 2024.